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Important: Verify connector shape and pins match your original part.
4-Piece Air Fuel Ratio & O2 Sensor Set
Fits Toyota Sienna 3.5L V6 (2011-2016)
Replaces OE: 234-9114, 234-9128, 234-4416, 234-4540
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 13-Nov 21
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: Brand-new replacement for free if quality issues occur.
30-Day Return & Refund
📦 Free Returns: Zero costs to you if the product has quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
5-Step Fitment Guide
- Check OE: Find original part no. & plug.
- Compare Photos: Match plug with our images.
- Verify YMM: Confirm via fitment tool.
- Review Specs: Check pins & dimensions.
- Purchase: Buy confidently once matched!
Review Rewards
Share an install photo & review to unlock:
- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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$72.95
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
🌬️ O2 & A/F Sensors
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
⛽ Fuel & Air Mixture
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
♻️ Catalytic Converters
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
⚡ Ignition / Misfires
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2012
|
Toyota
|
Sienna
|
3.5L V6
|
|
2013
|
Toyota
|
Sienna
|
3.5L V6
|
|
2014
|
Toyota
|
Sienna
|
3.5L V6
|
|
2015
|
Toyota
|
Sienna
|
3.5L V6
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-9114
Interchange: 234 9114, 89467-0E140, 89467-0R050, 89467-0R060, 89467-21020, 89467-48210, 894670E140, 894670R050, 894670R060, 8946721020, 8946748210 |
|
Position
|
Exhaust System, Upstream Left (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Wire Harness Length: 330 mm / 12.40 in - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-9128
Interchange: 234 9128, 89467-06140, 89467-06160, 89467-0E170, 89467-33220, 89467-33230, 89467-48190, 8946706140, 8946706160, 894670E170, 8946733220, 8946733230, 8946748190 |
|
Position
|
Exhaust System, Upstream Right (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Wire Harness Length: 16.34 in - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4416
Interchange: 234 4416, 89465-0E040, 89465-48220, 894650E040, 8946548220 |
|
Position
|
Exhaust System, Downstream Left (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 10.04 in - Thread Diameter: 0.708 IN - Mounting Type: Threaded |
|
Core Part Number
|
234-4540
Interchange: 234 4540, 89465-08060, 8946508060 |
|
Position
|
Exhaust System, Downstream Right (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wire Harness Length: 16.93 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded |
Package Included: 4Pcs O2 Sensors
234-9114*1(4-wire oxygen Sensor): Upstream Left, Bank 2 Sensor 1
234-9128*1 (4-wire oxygen Sensor): Upstream Right, Bank 1 Sensor 1
234-4416*1 (4-wire oxygen Sensor): Downstream Left, Bank 2 Sensor 2
234-4540*1 (4-wire oxygen Sensor): Downstream Right, Bank 1 Sensor 2